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Multiple Choice
Which allele combination represents the heterozygote advantage in a population?
A
AA
B
A-
C
aa
D
Aa
Verified step by step guidance
1
Understand the concept of heterozygote advantage: It refers to a situation where individuals with two different alleles (heterozygotes) have a higher fitness than individuals with two identical alleles (homozygotes).
Identify the alleles given in the problem: The alleles are represented as 'A' and 'a'.
Recognize the different combinations of alleles: The combinations provided are 'AA', 'Aa', and 'aa'.
Determine which combination is heterozygous: A heterozygous combination consists of two different alleles, which in this case is 'Aa'.
Conclude that the heterozygote advantage is represented by the 'Aa' combination, as it includes one dominant allele 'A' and one recessive allele 'a'.